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Sigma Merchant Processing Company Overview

Sigma Merchant Processing is a Texas-based Independent Sales Organization partnered with Wells Fargo Bank and powered by Fiserv. Headquartered in Sugar Land, the company offers a comprehensive suite of payment solutions—including Clover point-of-sale systems, credit card terminals, mobile and e-commerce processing, ATM deployment, ACH and check services, merchant cash advances, gift and loyalty programs, and automated POS integrations. Serving a wide range of industries such as retail, hospitality, gas stations, events, and hotels across the U.S., Sigma emphasizes scalable POS platforms, transparent pricing, over-the-phone and onsite setup, and efficient service delivery.